CN211920816U

CN211920816U - Novel jib loading boom hoisting mechanism

Info

Publication number: CN211920816U
Application number: CN202020519566.6U
Authority: CN
Inventors: 黄海永; 栾少玲
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-04-10
Filing date: 2020-04-10
Publication date: 2020-11-13
Anticipated expiration: 2030-04-10

Abstract

The utility model discloses a novel jib loading boom hoist mechanism, including vehicle chassis, vehicle chassis is last to be equipped with the fixing base, fixing base upper portion is equipped with the underarm, the underarm tip rotates and is equipped with jib loading boom one, jib loading boom tip rotates and is equipped with jib loading boom two, the tip of jib loading boom two is equipped with flexible arm, the tip of flexible arm is equipped with the work and fights, between the bottom of underarm and jib loading boom one, be equipped with elevation structure between the upper portion of jib loading boom one and the bottom of jib loading boom two, two sets of elevating system all include the auxiliary arm, lower auxiliary arm, drive screw, gear motor, all be equipped with in the car and the. The utility model totally uses the motor as power, does not use hydraulic oil, and is energy-saving and environment-friendly; the structure is simple, the maintenance is easy, and the cost is low; the double self-locking is safer; the light weight of the upper garment can be realized; in addition, the motor is driven, and through the control of the control panel, slow starting and slow stopping are easily realized, so that the lifting of the crane arm is more stable.

Description

Novel jib loading boom hoisting mechanism

Technical Field

The utility model relates to a hoisting equipment technical field specifically indicates a novel jib loading boom hoisting mechanism.

Background

At present, lifting and hoisting equipment is generally provided with a crane arm, such as a crane, a truck crane, an overhead working truck and the like. In the prior art, the lifting of the crane boom is realized by jacking a hydraulic oil cylinder, the hydraulic oil cylinder has the advantages of large force, high cost, complex technology and difficult maintenance, but a hydraulic system is required to provide hydraulic power and needs a hydraulic pump, a hydraulic valve, hydraulic oil and other parts; and a large amount of hydraulic oil is used, so that the leakage is easy to happen, and the environment is polluted; the engine or the motor is used and is transmitted to the hydraulic pump through the power takeoff, the hydraulic pump converts energy into hydraulic power, the hydraulic power is converted into mechanical power, and the loss is large due to multiple times of energy conversion.

SUMMERY OF THE UTILITY MODEL

The to-be-solved technical problem of the utility model is to overcome above technical defect, provide a novel jib loading boom hoisting mechanism.

In order to solve the technical problem, the utility model provides a technical scheme does: a novel cargo boom hoisting mechanism comprises an automobile chassis, wherein a fixed seat is arranged on the automobile chassis, a lower arm is arranged at the upper part of the fixed seat, a first cargo boom is arranged at the end part of the lower arm in a rotating way, a second cargo boom is arranged at one end part of the cargo boom in a rotating way, a telescopic boom is arranged at the end part of the second cargo boom, a working bucket is arranged at the end part of the telescopic boom, be equipped with elevation structure one between the bottom of underarm and jib loading boom one, be equipped with elevation structure two between the upper portion of jib loading boom one and the bottom of jib loading boom two, elevation structure one and elevation structure two are located the both sides of jib loading boom one respectively, two sets of elevating system all include last auxiliary arm, lower auxiliary arm, driving screw, gear motor, all be equipped with on the vehicle chassis and in the work fill and control the panel, the power cord is walked fixing base, underarm, jib loading boom one, jib loading boom two, flexible arm internal connection and is controlled the panel, the power of vehicle chassis is connected to the power cord or is equipped with backup battery at vehicle chassis.

Preferably, the upper auxiliary arm and the lower auxiliary arm of the first lifting structure, the first boom and the lower arm form a movable quadrilateral structure, and the transmission screw rod movably penetrates through a diagonal line of the quadrilateral structure.

Preferably, the upper auxiliary arm and the lower auxiliary arm of the second lifting structure, the first lifting arm and the second lifting arm form a movable quadrilateral structure, and the transmission screw movably penetrates through a diagonal line of the quadrilateral structure.

Preferably, fixing blocks are arranged on one sides of the lower arm and the second boom and on two sides of the first boom and are used for rotatably connecting the upper auxiliary arm or the lower auxiliary arm.

Preferably, the rotating shafts of the upper auxiliary arm and the lower auxiliary arm are integrally provided with a transmission nut, and the transmission nut and the rotating shaft move back and forth along a transmission screw rod.

Compared with the prior art, the utility model the advantage lie in: the utility model totally uses the motor as power, does not use hydraulic oil, and is energy-saving and environment-friendly; when the automobile runs or idles, the generator of the engine has redundant power generation, and the standby battery can be used for storing the power; the structure is simple, the maintenance is easy, and the cost is low; the screw rod is not subjected to radial thrust and is only subjected to tension; the screw rod and the nut are used for transmission, and the nut bears radial force along the direction of the screw rod, so that self-locking is realized, and meanwhile, the speed reducing motor is self-locked by using a worm and gear mechanism, so that double self-locking is safer; compared with a hydraulic system, the weight of the upper garment is greatly reduced, and the light weight of the upper garment can be realized; in addition, the motor is driven, and through the control of the control panel, slow starting and slow stopping are easily realized, so that the lifting of the crane arm is more stable.

Drawings

Fig. 1 is a schematic structural diagram of a novel crane boom hoisting mechanism of the present invention.

As shown in the figure: 1. the automobile comprises an automobile chassis, 2, a fixing seat, 3, a lower arm, 4, a first lifting arm, 5, a second lifting arm, 6, a telescopic arm, 7, a working bucket, 8, an upper auxiliary arm, 9, a lower auxiliary arm, 10, a transmission screw rod, 11, a speed reduction motor, 12, a control panel, 13, an A shaft, 14, a B shaft, 15, a C shaft, 16 and a D shaft.

Detailed Description

The technical solution of the present invention will be described clearly and completely below with reference to the embodiments of the present invention, and it should be understood that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

With reference to the accompanying drawings, a novel crane boom hoisting mechanism comprises a vehicle chassis 1, wherein a fixed seat 2 is arranged on the vehicle chassis 1, a lower arm 3 is arranged on the upper portion of the fixed seat 2, a first crane boom 4 is arranged at the end portion of the lower arm 3 in a rotating manner, a second crane boom 5 is arranged at the end portion of the first crane boom 4 in a rotating manner, a telescopic arm 6 is arranged at the end portion of the second crane boom 5, a working bucket 7 is arranged at the end portion of the telescopic arm 6, a first lifting structure is arranged between the lower arm 3 and the bottom of the first crane boom 4, a second lifting structure is arranged between the upper portion of the first crane boom 4 and the bottom of the second crane boom 5, the first lifting structure and the second lifting structure are respectively positioned at two sides of the first crane boom 4, the two groups of lifting mechanisms respectively comprise an upper auxiliary arm 8, a lower auxiliary arm 9, a transmission lead screw, The inside of the second crane boom 5 and the inside of the telescopic boom 6 are connected with an operation panel 12, and a power line is connected with a power supply of the automobile chassis 1 or a standby battery is arranged on the automobile chassis 1. An upper auxiliary arm 8 and a lower auxiliary arm 9 of the first lifting structure, a first crane boom 4 and a lower arm 3 form a movable quadrilateral structure, and a transmission screw 10 movably penetrates through a diagonal line of the quadrilateral structure. The upper auxiliary arm 8 and the lower auxiliary arm 9 of the second lifting structure, the first crane boom 4 and the second crane boom 5 form a movable quadrilateral structure, and the transmission screw 10 movably penetrates through a diagonal line of the quadrilateral structure. And fixing blocks are arranged on one sides of the lower arm 3 and the second boom 5 and on two sides of the first boom 4 and are used for rotatably connecting an upper auxiliary arm 8 or a lower auxiliary arm 9. And the rotating shafts of the upper auxiliary arm 8 and the lower auxiliary arm 9 are integrally provided with a transmission nut, and the transmission nut and the rotating shafts move back and forth along a transmission screw rod 10.

The utility model discloses when concrete implementation, vehicle chassis 1 also can use with track chassis or other chassis replacement uses, and elevation structure is used in down between arm 3 and jib loading boom 4 for play to rise or descend jib loading boom 4, also can be used in between jib loading boom 4 and the jib loading boom two 5, is used for folding jib loading boom 4 and jib loading boom two 5. Taking a lifting structure between a boom I4 and a lower arm 3 as an example, the boom I4, the lower arm 3, an upper auxiliary arm 8, a lower auxiliary arm 9, a transmission screw rod 10, a speed reduction motor 11, a transmission nut and a rotating shaft are integrally installed, an A shaft 13 is connected with the boom I4 and the upper auxiliary arm 8, a B shaft 14 is connected with the upper auxiliary arm 8 and the lower auxiliary arm 9, a C shaft 15 is connected with the boom I4 and the lower arm 3, and a D shaft 16 is connected with the lower auxiliary arm 9 and the lower arm 3. The power supply of the speed reducing motor 11 is from the chassis 1 power supply through the arm by the power cord, and a standby battery can also be used.

The automobile chassis 1 is provided with a control panel 12, and the upper high-altitude working bucket 7 can also be provided with the control panel 12. A person uses a handle or a key to send an instruction to the speed reducing motor 11 on the control panel 12, the speed reducing motor 11 can forward, reverse and stop according to the instruction, the speed reducing motor 11 drives the transmission screw rod 10, the transmission screw rod 10 rotates to drive the transmission nut, the transmission nut and the shaft B are integrated, the transmission nut and the shaft B move back and forth along the transmission screw rod 10, and therefore the opening and closing action can be achieved through a quadrilateral structure formed by four sides of AB, AC, BD and CD. The AC edge is extended to form an upper arm, the lower arm 3 is fixed, the lower auxiliary arm 9 and the upper auxiliary arm 8 can drive the boom I4 to move up and down, the transmission screw rod 10 bears tension when the boom I4 and accessories thereof rise, and the weight is very large, so that the transmission screw rod 10 still bears tension when the boom I4 and accessories thereof perform descending action although the transmission screw rod rotates reversely, the process of loosening is actually performed, the transmission screw rod is not required to be bent at one time, and the screw rod 10 with a thinner diameter can be used.

The utility model discloses use 11 drive screw 10 of gear motor, drive screw 10 is rotatory, and drive nut is linear motion, and drive nut drive quadrangle structure, quadrangle structure are the action of opening and shutting, and the jib loading boom is installed on one side of quadrangle structure, and the drive jib loading boom rises or descends.

The present invention and the embodiments thereof have been described above, but the description is not limited thereto, and the embodiment shown in the drawings is only one of the embodiments of the present invention, and the actual structure is not limited thereto. In summary, those skilled in the art should understand that they should not be limited to the embodiments described above, and that they can design the similar structure and embodiments without departing from the spirit of the invention.

Claims

1. The utility model provides a novel jib loading boom hoisting mechanism, includes vehicle chassis, its characterized in that: the automobile chassis is provided with a fixing seat, the upper portion of the fixing seat is provided with a lower arm, the end portion of the lower arm is provided with a first crane boom in a rotating mode, one end portion of the crane boom is provided with a second crane boom, the end portion of the second crane boom is provided with a telescopic arm, the end portion of the telescopic arm is provided with a working bucket, a first lifting structure is arranged between the lower arm and the bottom of the first crane boom, a second lifting structure is arranged between the upper portion of the first crane boom and the bottom of the second crane boom, the first lifting structure and the second lifting structure are respectively located on two sides of the first crane boom, the two groups of lifting mechanisms respectively comprise an upper auxiliary arm, a lower auxiliary arm, a transmission lead screw and a speed reduction motor, control panels are arranged on the automobile chassis and in the working bucket, a power line runs through the.

2. The novel crane arm lifting mechanism as claimed in claim 1, wherein: the upper auxiliary arm and the lower auxiliary arm of the first lifting structure, the first crane boom and the lower arm form a movable quadrilateral structure, and the transmission screw rod movably penetrates through a diagonal line of the quadrilateral structure.

3. The novel crane arm lifting mechanism as claimed in claim 1, wherein: the upper auxiliary arm and the lower auxiliary arm of the second lifting structure, the first lifting arm and the second lifting arm form a movable quadrilateral structure, and the transmission screw movably penetrates through a diagonal line of the quadrilateral structure.

4. The novel crane arm lifting mechanism as claimed in claim 1, wherein: and fixing blocks are arranged on one sides of the lower arm and the second lifting arm and on two sides of the first lifting arm and are used for rotatably connecting the upper auxiliary arm or the lower auxiliary arm.

5. The novel crane arm lifting mechanism as claimed in claim 1, wherein: and the rotating shafts of the upper auxiliary arm and the lower auxiliary arm are integrally provided with a transmission nut, and the transmission nut and the rotating shaft move back and forth along the transmission screw rod.